from __future__ import annotations

from bom_assistant.scouting.errors import RowNotFoundError
from bom_assistant.session.models import BomRow, BomSession, RowState
from bom_assistant.suppliers.lcsc.category_resolver import resolve


def get_row(session: BomSession, row_id: str) -> BomRow:
    for row in session.rows:
        if row.row_id == row_id:
            return row
    raise RowNotFoundError(session.session_id, row_id)


def scout_row(session: BomSession, row_id: str) -> BomRow:
    row = get_row(session, row_id)
    candidates = resolve(row)
    row.scout_candidates = [{"name": c.name, "id": c.id} for c in candidates]
    row.state = RowState.scouting
    return row